ICP DAS USA PCI-P16C16 - Manual (Page 5)

1.2. Block Diagram
Figure 1-1: Functional Block diagram.
PCI Controller EEPROM
PCI BUS
Buffers
&
Drivers
Buffers
&
Filters
Photo-couple
Photo-couple
Photo-couple
Photo-couple
Relay
Relay
Relay
Relay
Transistor
P8R8 / P16R16
P16C16
Transistor
Transistor
PhotoMos
PhotoMos
PhotoMos
P16POR1
PhotoMos
Transistor
PCI-P8R8/P16R16/P16C16/P16POR16 User’s Manual (Ver.2.2, 2005/5/5) … 5